News tagged with national
DNA molecules in moss open door to new biotechnology
Nov 06, 2009 |
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Plasmids, which are DNA molecules capable of independent replication in cells, have played an important role in gene technology. Researchers from Uppsala University in Sweden have now demonstrated that plasmid-based methods, ...
1930s drug slows tumor growth
Medicine & Health / Medications
Nov 06, 2009 |
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Drugs sometimes have beneficial side effects. A glaucoma treatment causes luscious eyelashes. A blood pressure drug also aids those with a rare genetic disease. The newest surprise discovered by researchers at the Johns ...
Higher incidence of thyroid cancer in volcanic area of Sicily
Nov 05, 2009 |
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People living in volcanic areas may be at a higher risk for thyroid cancer, according to a new study published online November 5 in the Journal of the National Cancer Institute.
Paleoecologists offer new insight into how climate change will affect organisms
Nov 04, 2009 |
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An article in the Proceedings of the National Academy of Science written by a team of ecologists, including Robert Booth, assistant professor of earth and environmental science at Lehigh University, examines some of the po ...
Scientists create fruit fly model to help unravel genetics of human diabetes
Nov 02, 2009 |
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As rates of obesity, diabetes, and related disorders have reached epidemic proportions in the US in recent years, scientists are working from many angles to pinpoint the causes and contributing factors involved ...
Researchers unlock the 'sound of learning' by linking sensory and motor systems
Medicine & Health / Psychology & Psychiatry
Nov 02, 2009 |
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Learning to talk also changes the way speech sounds are heard, according to a new study published in Proceedings of the National Academy of Sciences by scientists at Haskins Laboratories, a Yale-affiliated resear ...
Snows Of Kilimanjaro shrinking rapidly, and likely to be lost
Space & Earth / Earth Sciences
Nov 02, 2009 |
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The remaining ice fields atop famed Mount Kilimanjaro in Tanzania could be gone within two decades and perhaps even sooner, based on the latest survey of the ice fields remaining on the mountain .
Researchers have immune cells running in circles
Nov 02, 2009 |
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(PhysOrg.com) -- University of Illinois at Chicago College of Medicine researchers have identified the important role a protein plays in the body's first line of defense in directing immune cells called neutrophils toward ...
Notorious 'man-eating' lions of Tsavo likely ate about 35 people -- not 135, scientists say
Other Sciences / Archaeology & Fossils
Nov 02, 2009 |
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The legendary "man-eating lions of Tsavo" that terrorized a railroad camp in Kenya more than a century ago likely consumed about 35 people--far fewer than popular estimates of 135 victims, according to a new ...
Climate variability impacts the deep sea
Space & Earth / Earth Sciences
Nov 02, 2009 |
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Deep-sea ecosystems occupying 60% of the Earth's surface could be vulnerable to the effects of global warming warn scientists writing in the Proceedings of the National Academy of Sciences.
Spinal cord regeneration enabled by stabilizing, improving delivery of scar-degrading enzyme
Nov 02, 2009 |
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Researchers have developed an improved version of an enzyme that degrades the dense scar tissue that forms when the central nervous system is damaged. By digesting the tissue that blocks re-growth of damaged ...
Sights and sounds of emotion trigger big brain responses
Medicine & Health / Neuroscience
Nov 02, 2009 |
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Researchers at the University of York have identified a part of the brain that responds to both facial and vocal expressions of emotion.
Wolves, moose and biodiversity: An unexpected connection
Nov 02, 2009 |
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Moose eat plants; wolves kill moose. What difference does this classic predator-prey interaction make to biodiversity?
Inconspicuous leaf beetles reveal environment's role in formation of new species
Oct 30, 2009 |
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(PhysOrg.com) -- Unnoticed by the nearby residents of St. Johnsbury, Vermont, tiny leaf beetles that flit among the maple and willow trees in the area have just provided some of the clearest evidence yet that ...
Stress-induced changes in brain circuitry linked to cocaine relapse
Oct 30, 2009 |
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(PhysOrg.com) -- Stress-evoked changes in circuits that regulate serotonin in certain brain regions can precipitate a low mood and a relapse in cocaine-seeking.
